so my buddy gave me a k&n cold air intake that he didnt want for a 2004 ford ranger i put it on my 2003 ford ranger same engine size everything pretty much identical except for the mass airflow sensor. now its idle is at 1200 rpm and its acting real sluggish. there is very little acceleration and the check engine light is on is there any way to fix the mass air flow sensor or am i wasting my time?

did you reset the computer after you installed the intake bro?

MAF sensor is your problem. Wont work on your truck

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Put your factory intake back on

CAI's are a joke on our motors, believe me, I know. I have one installed, an expensive whistle, maybe the only gain is a little better throttle response but thats it, no real mpg gain either

yah CAI's do suck, do the air box mod and u will get the same response but u only have to spend 0$ lol

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my lil prerun run... tires and junk cool tube bumpers, fiberglass, cool colored lights, loud bass and a tire rack so you know im cool

What is the air box mod? New to me and am interested. I am planning on the K&N filter, but haven't heard if there is an advantage or not. I am a driveline tech. My Ranger is a 2001 XLT extended cab, 3.0, 5R55E 2 wheel drive.

Check the how to section for the air box mod. Very simple.

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'02 XLT ext. cab 4.0 4x4 Off Road
Usual mods
Unusual color
Only a real man can pimp DWB

Right on...Thanks